PLOD1 and polycystic ovary syndrome: As shown in Table 2, for patients with PCOS, IR group had longer days of Gn use (p=0.028), a higher total Gn dosage (p<0.001), a lower trigger day E2 (p=0.029), a higher trigger day luteinizing hormone (LH) (p=0.015), and a lower fresh ET cancellation rate (p=0.035).